Recreate topBar background controller after it is destroyed

lib/android/app/src/main/java/com/reactnativenavigation/viewcontrollers/topbar/TopBarBackgroundViewController.java

@@ -18,6 +18,11 @@ public class TopBarBackgroundViewController extends ViewController<TopBarBackgro
         this.viewCreator = viewCreator;
     }
 
+    public TopBarBackgroundViewController(TopBarBackgroundViewController topBarBackgroundViewController) {
+        super(topBarBackgroundViewController.getActivity(), CompatUtils.generateViewId() + "", new Options());
+        this.viewCreator = topBarBackgroundViewController.viewCreator;
+    }
+
     @Override
     protected TopBarBackgroundView createView() {
         return viewCreator.create(getActivity(), getId(), component);

lib/android/app/src/main/java/com/reactnativenavigation/views/topbar/TopBar.java

@@ -193,6 +193,7 @@ public class TopBar extends AppBarLayout implements ScrollEventListener.ScrollAw
 
     public void clear() {
         topBarBackgroundViewController.destroy();
+        topBarBackgroundViewController = new TopBarBackgroundViewController(topBarBackgroundViewController);
         titleBar.clear();
     }